1851290520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{328243}}^1$

素因数の和:328304

約数の個数: 64

約数和(自身を含む): 5672056320

約数和(自身を除く): 3820765800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 328243, 656486, 984729, 1312972, 1641215, 1969458, 2625944, 3282430, 3938916, 4923645, 6564860, 7877832, 9847290, 13129720, 15427421, 19694580, 30854842, 39389160, 46282263, 61709684, 77137105, 92564526, 123419368, 154274210, 185129052, 231411315, 308548420, 370258104, 462822630, 617096840, 925645260, 1851290520]

約数ペア:

[(1, 1851290520), (2, 925645260), (3, 617096840), (4, 462822630), (5, 370258104), (6, 308548420), (8, 231411315), (10, 185129052), (12, 154274210), (15, 123419368), (20, 92564526), (24, 77137105), (30, 61709684), (40, 46282263), (47, 39389160), (60, 30854842), (94, 19694580), (120, 15427421), (141, 13129720), (188, 9847290), (235, 7877832), (282, 6564860), (376, 4923645), (470, 3938916), (564, 3282430), (705, 2625944), (940, 1969458), (1128, 1641215), (1410, 1312972), (1880, 984729), (2820, 656486), (5640, 328243)]